<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    #l1{
      width: 100px;height: 30px;
      background-color: green;color: red;
      text-align: center;
      line-height: 30px;
    }

    span{font-size: 25px;
      font-style: italic}

    #l2{font-weight: normal;
    text-shadow: blue 5px 5px 3px}

    #l3{text-decoration: underline }
    a{text-decoration: none ;
    font-weight: bold;
    font-size: 20px}
  </style>
</head>
<body>
<div id="l1">刘德华</div>
<div>张学友</div>
<span>香蕉</span>
<span>苹果</span>
<h1 id="l2">冰箱</h1>
<h1 id="l3">洗衣机</h1>
<a href="http://www.baidu.com">百度</a>
</body>
</html>